Engineering:List of Yamaha Portasound keyboards

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Yamaha Portasound keyboards are a popular line of portable electronic musical keyboards produced by the Yamaha Corporation from the 1980s to the present. The name suggests the instruments' portability, with battery operation being a consistent feature across the line. Some of the higher-end keyboards had advanced features like programmable synthesizer controls and midi capability. Electronic musicians and sound engineers use these instruments to achieve an authentic lo-fi sound[1] and some modify them with circuit bending to extend their sound palettes. The PSS line features mini keys and the PSR line features full size keys. As of 2015, musician Dan Friel continues to use a Portasound that he received as a gift in 1984.[2] Circa 2017, Italian artist Modula released an EP called 780's Chronicles, recorded primarily using a Yamaha PSS780.[3] In the 21st century, several independent software developers have produced additional tools to modify and store patches for midi-capable PSS keyboards, such as PSS Edit and PSS Wave Editor. VST plug-in soft-synth versions of some of these keyboards have also been released by various developers. This list is not exhaustive.

Series Model Year Keys Key size Preset Tones Polyphony (notes) Batteries MIDI Notes References
PSR 36 61 full size 16 MIDI Has digital synthesizer section with spectrum, brilliance, envelope, vibrato and detune faders.
PSR 37 61
PSR 50
PSR 60 49 full size D (x6) MIDI Non-editable PCM sounds. Sends and receives Sys-Ex messages. [4]
PSR 70 61 full size D (x6) MIDI Non-editable PCM sounds. Sends and receives Sys-Ex messages. [5]
PSR 185
PSR 190
PSR 230 61 full size MIDI Had dual/chorus, harmony/echo and reverb effects. Has expansion slot.
PSR 240 MIDI
PSR 270
PSR 500 1991 MIDI
PSS 6 1994 32 mini Sample-based sounds. [6]
PSS 7 1997 32 mini Sample-based sounds. [6]
PSS 9 1990 32 mini Wavetable synthesis. [6]
PSS 11 1992 32 mini Sample-based sounds. [6]
PSS 12 1994 32 mini Sample-based sounds. [6]
PSS 14 1997 32 mini Sample-based sounds. [6]
PSS 15 1997 32 mini Sample-based sounds. [6]
PSS 16 1990 32 mini Wavetable synthesis. [6]
PSS 20 1989 32 mini Basic waveforms. [6]
PSS 21 1992 37 mini Sample-based sounds. [6]
PSS 26 1995 49 mini FM synthesis with sample-based drums. [6]
PSS 30 1986 32 mini Wavetable synthesis. [6]
PSS 31 1982 49 mini Sample-based sounds. [6]
PSS 50 1990 32 mini Wavetable synthesis. [6]
PSS 51 1992 61 mini MIDI Sample-based sounds. [6]
PSS 80 1989 32 mini Wavetable synthesis. [6]
PSS 100 1989 32 mini Basic waveforms. [6]
PSS 102 1991 32 mini Sample-based sounds. [6]
PSS 103 1991 49 mini Sample-based sounds. [6]
PSS 104 1991 49 mini Sample-based sounds. [6]
PSS 110 1985 32 mini Basic waveforms. [6]
PSS 120 1986 32 mini Wavetable synthesis. [6]
PSS 125 1989 32 mini Basic waveforms. [6]
PSS 130 1987 32 mini Basic waveforms. [6]
PSS 140 1988 37 mini FM synthesis. [6]
PSS 150 1985 37 mini Basic waveforms. [6]
PSS 160 1986 44 mini Basic waveforms. [6]
PSS 170 1986 44 mini FM synthesis. [6]
PSS 190 1990 37 mini Wavetable synthesis. [6]
PSS 260 1985 49 mini Sample-based sounds. [6]
PSS 270 1986 49 mini FM synthesis. [6]
PSS 280 1986 49 mini FM synthesis with sample-based drums. [6]
PSS 290 1990 49 mini FM synthesis. [6]
PSS 360 1986 49 mini FM synthesis with sample-based drums. [6]
PSS 370 1987 49 mini FM synthesis. [6]
PSS 380 1989 49 mini FM synthesis. [6]
PSS 390 1990 49 mini FM synthesis. [6]
PSS 401 1985 44 mini FM synthesis. [6]
PSS 450 1985 49 mini FM synthesis. [6]
PSS 460 1986 49 mini FM synthesis with sample-based drums. [6]
PSS 470 1987 49 mini FM synthesis with sample-based drums. [6]
PSS 480 1988 49 mini MIDI FM synthesis with sample-based drums. [6]
PSS 560 1986 49 mini FM synthesis with sample-based drums. [6]
PSS 570 1987 49 mini FM synthesis with sample-based drums. [6]
PSS 580 1989 49 mini MIDI FM synthesis with sample-based drums. [6]
PSS 590 1990 49 mini MIDI Sample-based sounds. [6]
PSS 595 1990 49 mini MIDI Sample-based sounds. [6]
PSS 680 1988 61 mini MIDI FM synthesis with sample-based drums. [6]
PSS 780 1989 61 mini MIDI FM synthesis with sample-based drums. [6]
PSS 790 1990 61 mini MIDI Sample-based sounds. [6]
PSS 795 1990 61 mini MIDI Sample-based sounds. [6]

References